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Kernel: Add simple ARP routing layer

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This replaces the previous placeholder routing layer with a real one!
It's still very primitive, doesn't deal with things like timeouts very
well, and will probably need several more iterations to support more
normal networking things.

I haven't confirmed that this works with anything other than the QEMU
user networking layer, but I suspect that's what nearly everybody is
using at this point, so that's the important target to keep working.
This commit is contained in:
Conrad Pankoff 2019-08-28 21:58:01 +10:00 • committed by Andreas Kling
parent 626e176cab
commit 6d1418aa7a
Notes: sideshowbarker 2024-07-19 12:27:16 +09:00
6 changed files with 146 additions and 47 deletions
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9
Kernel/Net/NetworkTask.cpp
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@ -16,6 +16,7 @@
//#define NETWORK_TASK_DEBUG
//#define ETHERNET_DEBUG
//#define ETHERNET_VERY_DEBUG
//#define ARP_DEBUG
//#define IPV4_DEBUG
//#define ICMP_DEBUG
//#define UDP_DEBUG
@ -27,14 +28,6 @@ static void handle_icmp(const EthernetFrameHeader&, const IPv4Packet&);
static void handle_udp(const IPv4Packet&);
static void handle_tcp(const IPv4Packet&);
Lockable<HashMap<IPv4Address, MACAddress>>& arp_table()
{
static Lockable<HashMap<IPv4Address, MACAddress>>* the;
if (!the)
the = new Lockable<HashMap<IPv4Address, MACAddress>>;
return *the;
}
void NetworkTask_main()
{
u8 octet = 15;